Bending polycarbonate sheet with a heat gun.
Bending abs plastic sheet.
If you want to lay it on the form in the oven it might be wise to preheat the form first then lay the abs on it then put it back in for time enough to heat the plastic.
You can see this in the video below.
If you wait long enough it will bend along the table or foam.
To bend sheet plastic and acrylic you will need.
First experiment with a few scraps to get the time and heat right.
The example here is the outside of a mold but it can work inside too.
I have foung that simle carpeners square will damn close 90 degree.
High density polyethylene hdpe which requires a core temperature of approximately 280 f for optimal forming.
Measure the inside of your oven.
Slip the kevlar on and position the assebly on your choice of straight surfaces energize place plastic on element and wait till bercomes taffy like and make your bend.
Position the plastic sheet so that the area you will bend is between two flat flame retardant surfaces like saw horses.
If the form is cool that will make it diffucult to pull the plastic into the details of the form.
Make adjustments appropriate to the specifications of your project.
Secure the sheet in place by using clamps on both ends.
If you re impatient you can also bend it yourself.
Position a strip heater at the recommended safe distance from the plastic as directed by the manufacturer.
When the texture of the abs changes slowly push the abs down.
To bend abs lay the piece on the edge of a table or the foam part and heat up the part where it needs to bend.
Put on cotton safety gloves.
Sheet surface temperature will directly correspond to material gage.
Only that the operator is now forced to move the heat gun constantly along the bend line and flip over the polycarbonate sheet to ensure both sides get heated.
Principally using a heat gun to bend a polycarbonate sheet is the same as hot line bending.
Have a mold ready to use.
As you ll need to put the plastic sheet into the oven this is your size limitation.